зеркало из https://github.com/mozilla/gecko-dev.git
55 строки
1.3 KiB
C++
55 строки
1.3 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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/* DOM object representing values in DOM computed style */
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#ifndef mozilla_dom_CSSValue_h_
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#define mozilla_dom_CSSValue_h_
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#include "nsStringFwd.h"
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#include "mozilla/RefCounted.h"
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class nsROCSSPrimitiveValue;
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namespace mozilla {
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class ErrorResult;
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} // namespace mozilla
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namespace mozilla::dom {
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/**
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* CSSValue - a DOM object representing values in DOM computed style.
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*/
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class CSSValue : public RefCounted<CSSValue> {
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public:
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MOZ_DECLARE_REFCOUNTED_TYPENAME(CSSValue);
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enum : uint16_t {
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CSS_INHERIT,
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CSS_PRIMITIVE_VALUE,
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CSS_VALUE_LIST,
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CSS_CUSTOM,
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};
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// CSSValue
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virtual void GetCssText(nsString& aText, ErrorResult& aRv) = 0;
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virtual uint16_t CssValueType() const = 0;
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virtual ~CSSValue() = default;
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// Downcasting
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/**
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* Return this as a nsROCSSPrimitiveValue* if its a primitive value, and null
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* otherwise.
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*
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* Defined in nsROCSSPrimitiveValue.h.
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*/
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inline nsROCSSPrimitiveValue* AsPrimitiveValue();
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};
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} // namespace mozilla::dom
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#endif
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